/*
 * Copyright 2010 Chad Retz
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */
package org.jdocng.cmd.check;

import org.junit.Assert;

import com.sun.javadoc.SourcePosition;

/**
 * Asserts whether two {@link SourcePosition}s are equal
 *
 * @author Chad Retz
 */
public class SourcePositionAsserter extends EqualityAsserter<SourcePosition> {

    private static final SourcePositionAsserter instance = new SourcePositionAsserter();
    
    public static SourcePositionAsserter getInstance() {
        return instance;
    }
    
    protected SourcePositionAsserter() {   
    }
    
    @Override
    public void assertEqual(SourcePosition expected, SourcePosition actual) {
        Assert.assertEquals("column different on " + actual,
                expected.column(), actual.column());
        Assert.assertEquals("file different on " + actual,
                expected.file(), actual.file());
        Assert.assertEquals("line different on " + actual,
                expected.line(), actual.line());
        Assert.assertEquals("string different on " + actual,
                expected.toString(), actual.toString());
    }
}
